The PCM (Powertrain Control Module) fuse and relay are vital components in ensuring the PCM operates smoothly. They act as gatekeepers for the flow of electrical power to the PCM, which is essentially the brain of your F-150’s engine. Having a good grasp of where to locate these essential components is key to effectively diagnosing and resolving any PCM-related problems that may arise in your F-150.

Understanding the PCM Fuse and Relay.

The PCM (Powertrain Control Module) in your Ford F-150 serves as the brain of the vehicle, receiving signals and data from various sensors to efficiently control the engine and transmission. However, if there are issues with the PCM, it can result in a range of problems, including difficulty starting the vehicle, poor engine performance, gear engagement issues, and increased emissions. Before jumping to the conclusion that the PCM is faulty, it’s crucial to check the PCM fuse and relay in your F-150.

Learn more about the location of PCM Fuse and Relay for other year models of the Ford F-150.

Where is the 1997 Ford F-150 PCM Fuse and Relay Located ?

In the 1997 Ford F-150, you can find the PCM fuse and relay in the under hood fuse box. In the under hood fuse box, a specific fuse is designated for the PCM, labeled as fuse number 24. Additionally, Diode 1 and relay 6 is assigned to the PCM diode and PCM relay respectively.

1997 Ford F-150 PCM Relay and Fuse Location.

In the 1997 Ford f-150, the PCM fuse and relay is located in the under-hood fuse panel.

1997 ford f 150 under hood fuse box location

1997 Ford F-150 Cooling Fan Relay and Fuse Location in Fuse Box Diagram.

YearFuse FunctionFuse NoLocation 
1997PCM power24Under HoodCheck more about Ford F-150 1997 Fuse Box Diagram and Location.

1997PCM diode2Under Hood
1997PCM power relay.6Under Hood


Familiarizing yourself with the location and function of the PCM fuse and relay can help you troubleshoot and address any PCM related issues efficiently.

WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.

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